NCERT 2022 | रेखाएँ एवं कोण - L11 | lines and angles | Class 9 गणित | Hindi Medium | Amit Sir | 6 PM

The given pie Chart (angles are not as per chosen scale) presents the marks scored by Amit in five subjects. Maximum marks in each subject = 100 Total score of Amit = 450 दिया गया वृत्त-आरेख ( कोण किसी चयनित पैमाने के अनुसार नहीं हैं ) पांच विषयों में अमित के द्वारा प्राप्त किये गए अंकों को दर्शाता है | प्रत्येक विषय के अधिकतम अंक = 100 अमित का कुल प्राप्तांक =450 What is the difference between the marks scored by Amit in Hindi and Maths? अमित के द्वारा हिंदी और गणित में प्राप्त किये गए अंकों में क्या अंतर है?

If the tangent to the curve y= (x)/(x^(2) - 3), x in r ( xne pm sqrt3) , at a point (alpha, beta ) ne (0, 0) on it is parallel to the line 2x + 6y -11 =0 , then (A) |6alpha + 2beta|=19 (B) |6alpha + 2 beta|=9 (C) |2 alpha + 6 beta |= 19 (D) | 2 alpha + 6 beta| = 11

Crossword Puzzle Solve the given crossword and then fill up the given boxes (on the next page). Clues are given below for across as well as downward filling. Also, for across and down clues, clue number is written at the corner of the boxes. Answers of clues have to be filled up in their respective boxes. Clues Across 1. A quadrilateral with pair of parallel sides. 2. A simple closed curve made up of only line segments. 3. A quadrilateral which has exactly two distinct consecutive pairs of sides of equal length. 4. A line segment connecting two non-consecutive vertices of a polygon. 5. The diagonals of a rhombus are _________ bisectors of one another. 6. The ___________ sides of a parallelogram are of equal length. 7. The number of sides of a regular polygon whose each exterior angle has a measure of 450. 8. The sum of measure of the three angles of a _________________ is 1800. 9. A polygon which is both equiangular and equilateral is called a _________ polygon. 10. Number of sides of a nonagon. Down 11. Name of the figure 12. The ___________ angles of a parallelogram are supplementary. 13. A ______________ is a quadrilateral whose pair of opposite sides are parallel. 14. The diagonals of a rectangle are of _______________ length. 15. A five sided polygon. 16. The diagonals of a parallelogram _____________ each other. 17. A quadrilateral having all the properties of a parallelogram and also that of a kite.

The vector equations of two lines L_1 and L_2 are respectively vec r=17hat i–9hat j+9hat k+ lambda(3hat i +hat j+ 5hat k) and vec r=15hat –8hat j-hat k+mu(4hat i+3hat j) I L_1 and L_2 are skew lines II (11, -11, -1) is the point of intersection of L_1 and L_2 III (-11, 11, 1) is the point of intersection of L_1 and L_2. IV cos^-1 (3/sqrt35) is the acute angle between _1 and L_2 then , which of the following is true?